Landing Airplanes with GPS?
Landing airplanes with GPS is not a new concept. People were demonstrating the feasibility back in the early 1990s. But landing transport airplanes in commercial airline service is something that’s only just getting to be a regular occurrence. Before we go on, maybe we need a short side trip into Local Area Augmentation Systems (LAAS) and Wide Area Augmentation Systems (WAAS): both highly effective — and now both certified — means for getting aircraft "wheels on runways." (Shucks, maybe we need even a further side trip into what constitutes "certified"...) read more
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